1. Syncope must be differentiated from epileptic seizures, although seizures due to brain hypoxia can occur in a syncopal episode.
   晕厥必须与癫痫发作相鉴别，尽管在晕厥发作时也会发生脑缺氧引起的癫痫发作。
2. Head up tilt table testing is not warranted in patients who hae experienced a single syncopal episode without injury in an intermediate or low risk setting.
   倾斜试验不推荐用于曾经有过在低位现场所发生过1次晕厥而没有受伤的患者。

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